/**
 * 无线睡眠
 */
public class Main {
    public static void main(String[] args) {
        long ONE_OUR = 60 * 60 * 1000L;
        try {
            Thread.sleep(ONE_OUR);

        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println("睡完了");
    }
}
